CN203496928U - Adjustable centrifugal releaser - Google Patents
Adjustable centrifugal releaser Download PDFInfo
- Publication number
- CN203496928U CN203496928U CN201320647524.0U CN201320647524U CN203496928U CN 203496928 U CN203496928 U CN 203496928U CN 201320647524 U CN201320647524 U CN 201320647524U CN 203496928 U CN203496928 U CN 203496928U
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- China
- Prior art keywords
- compress spring
- slide shaft
- turning cylinder
- perforation
- setting nut
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Abstract
The utility model belongs to the technical field of mine machines, and particularly discloses an adjustable centrifugal releaser. Two adjusting nuts are added to the adjustable centrifugal releaser based on the prior art, namely, the first adjusting nut and the second adjusting nut, adjustment on compression amount of a compression spring is achieved through the two adjusting nuts, and the flexibility and the accuracy of the centrifugal releaser can be improved. When the speed of a locomotive reaches a certain value, the centrifugal force acting on a sliding press block is larger than the elastic force of the compression spring, a sliding shaft stretches out and triggers a brake mechanism to carry out emergency safety brake, and accurate restriction on the running speed of the locomotive is achieved. The adjustable centrifugal releaser is strong in adaptability and convenient and fast to adjust.
Description
Technical field
The utility model belongs to mine equipment technical field, is specifically related to a kind of adjustable Centrifugal Releaser.
Background technology
Centrifugal Releaser is applied more in mine locomotive, in safety catch, occupies an important position.On the assistant conveyance vehicles such as mining monorail crane locomotive, calliper car, all there is sure brake system.The rapidity of safety arrestment and accuracy have great importance to the safety of mine personnel and vehicle.As the speed test section of safety catch, the operating sensitivity of Centrifugal Releaser, detection accuracy play especially important effect to braking reliability.
Yet at present conventional Centrifugal Releaser has following defect: (1) most of Centrifugal Releaser can not regulate continuously, also need stripping assembly even if adjustable, complex operation, waste time and energy; (2) existing Centrifugal Releaser corresponding some specific speed limits only, commonality is not strong; (3) error existing due to processing and manufacturing, can cause differing more between the Centrifugal Releaser value of testing the speed and design value, and the rate of upchecking is low; (4) the wipe contact part of existing Centrifugal Releaser is more, as the friction between the friction between turning cylinder and wiper block, turning cylinder and slide shaft, has increased parts depreciation amount, has reduced the speed limit accuracy of Centrifugal Releaser.
Utility model content
For unadjustable the brought defect of Centrifugal Releaser in prior art, the utility model proposes a kind of adjustable Centrifugal Releaser, it adopts following technical scheme:
A kind of adjustable Centrifugal Releaser, comprise column case shell, turning cylinder, slide shaft, the first Compress Spring and the second Compress Spring, on one side diapire of column case shell, offer the first perforation, it is inner that column case shell is stretched into by this first perforation in one end of turning cylinder, at turning cylinder, stretch in the part of column case shell and offer the second perforation, this second perforation runs through described turning cylinder along the length direction perpendicular to turning cylinder, slide shaft is through this second perforation, on the sidewall of column case shell, offer the 3rd perforation and the 4th perforation passing for described slide shaft, two ends of slide shaft pass respectively the 3rd perforation and the 4th perforation, the first Compress Spring and the second Compress Spring are all nested with on slide shaft and lay respectively at a side of turning cylinder, described the first Compress Spring is provided with the first wiper block of extruding the first Compress Spring near one end of turning cylinder, the first wiper block is connected with slide shaft, in the 3rd perforation place, be provided with for regulating the first Compress Spring amount of compression, the first setting nut of inner hollow, slide shaft is through the first setting nut, the first Compress Spring is connected with this first setting nut near one end of the 3rd perforation, described the second Compress Spring is provided with the second wiper block of extruding the second Compress Spring near one end of turning cylinder, in the 4th perforation place, be provided with for regulating the second setting nut of the second amount of spring compression, inner hollow, slide shaft is through the second setting nut, and the second Compress Spring is connected with this second setting nut near one end of the 4th perforation.
In above-mentioned adjustable Centrifugal Releaser, the junction of described the first Compress Spring and the first setting nut is provided with the first compressing tablet, and the first compressing tablet is nested with on slide shaft; The junction of described the second Compress Spring and the second setting nut is provided with the second compressing tablet, and the second compressing tablet is nested with on slide shaft.
In above-mentioned adjustable Centrifugal Releaser, between the lateral wall of described the first setting nut and column case shell and between the lateral wall of the second setting nut and column case shell, all adopt and be threaded.
In above-mentioned adjustable Centrifugal Releaser, described the first wiper block is nested with and is arranged on slide shaft, on the first wiper block, be provided with the first guide groove along slide shaft length direction, the first Compress Spring is positioned at the bottom of this first guide groove near one end of turning cylinder; Described the second sliding shoe is nested with and is arranged on slide shaft, is provided with the second guide groove along slide shaft length direction on the second sliding shoe, and the second Compress Spring is positioned at the bottom of this second guide groove near one end of turning cylinder.
In above-mentioned adjustable Centrifugal Releaser, between described the first Compress Spring and the bottom of the first guide groove, be provided with adjustment pad.
In above-mentioned adjustable Centrifugal Releaser, between described turning cylinder and slide shaft, be provided with porcelain bushing.
In above-mentioned adjustable Centrifugal Releaser, one end that described turning cylinder is positioned at column case shell outside is connected with scroll wheel.
The utility model has the advantages that:
The utility model on the basis of existing technology, two setting nuts have been increased, i.e. the first setting nut and the second setting nut, by two setting nuts, realize the adjusting to Compress Spring amount of compression, be beneficial to the sensitivity and the accuracy that improve Centrifugal Releaser, when locomotive speed reaches after certain value, act on the elastic force that centnifugal force on wiper block is greater than Compress Spring, slide shaft stretches out and triggers stop mechanism emergency safety and brake, realization limits accurately to locomotive running speed, adjustable Centrifugal Releaser applicability in the utility model is strong, easy to adjust quick.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of adjustable Centrifugal Releaser in the utility model.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the utility model is described in further detail:
Shown in Fig. 1, a kind of adjustable Centrifugal Releaser, comprises column case shell, turning cylinder 5, slide shaft 22, the first Compress Spring 9 and the second Compress Spring.Column case shell is comprised of two relative diapires and the sidewall between two diapires 2, one of them diapire adopts integral type to be connected with sidewall 2, between another diapire 8 and sidewall, adopt detachable to be connected, concrete, between this detouchable diapire and sidewall, by cross recess fillister head screw 10, be fixed, this detouchable diapire 8 is set, the convenient maintenance to adjustable Centrifugal Releaser in the future.The sidewall cross section of this column case shell can be other alternative form circular, square or that easily expect.
On the sidewall that adopts integral type to be connected with sidewall on column case shell, offer the first perforation, it is inner that column case shell is stretched into by this first perforation in one end of turning cylinder, at turning cylinder, stretch in the part of column case shell and offer the second perforation, this second perforation runs through described turning cylinder along the length direction perpendicular to turning cylinder, and slide shaft 22 is through this second perforation.On the sidewall of column case shell, offer the 3rd perforation and the 4th perforation passing for slide shaft 22, two ends of slide shaft pass respectively the 3rd perforation and the 4th perforation.The first Compress Spring 9 and the second Compress Spring are all nested with on slide shaft and lay respectively at a side of turning cylinder 5, the first Compress Spring 9 is provided with the first wiper block 7 of extruding the first Compress Spring near one end of turning cylinder, the first wiper block passes through taper pin with internal thread 6 and is connected with slide shaft 22, in the 3rd perforation place, be provided with for regulating the first setting nut 12 of the first Compress Spring amount of compression, inner hollow, slide shaft is through the first setting nut, and the first Compress Spring is connected with this first setting nut near one end of the 3rd perforation; The second Compress Spring is provided with the second wiper block 4 of extruding the second Compress Spring near one end of turning cylinder 22, in the 4th perforation place, be provided with for regulating the second setting nut 1 of the second amount of spring compression, inner hollow, slide shaft is through the second setting nut, and the second Compress Spring is connected with this second setting nut near one end of the 4th perforation.
Preferably, in the junction of the first Compress Spring 9 and the first setting nut 12, being provided with the first compressing tablet 13, the first compressing tablets 13 is nested with on slide shaft 22; In the junction of the second Compress Spring and the second setting nut 1, being provided with the second compressing tablet 21, the second compressing tablets 21 is nested with on slide shaft 22.
The first wiper block 7 is nested with and is arranged on slide shaft 22, is provided with along the first guide groove 11, the first Compress Springs of slide shaft length direction and near one end of turning cylinder, is positioned at the bottom of this first guide groove on the first wiper block; The second sliding shoe 4 is nested with and is arranged on slide shaft, is provided with along the second guide groove 3, the second Compress Springs of slide shaft length direction and near one end of turning cylinder, is positioned at the bottom of this second guide groove on the second sliding shoe.The setting of guide groove, can effectively prevent because wiper block deflection causes rubbing with Compress Spring, thereby reduce spring abrasion loss, improves the accuracy of adjustable Centrifugal Releaser.
On the outside face of the first setting nut 12, the second setting nut 1, outside thread is set, the 3rd perforation and the 4th perforation place on column case shell arrange respectively negative thread, between the lateral wall of the first setting nut 12 and column case shell and between the lateral wall of the second setting nut 1 and column case shell, are all threaded connection.By screwing or unscrew two setting nuts, realize the adjusting to Compress Spring amount of compression, to reach spacing accuracy.When wearing and tearing are larger, can between the first Compress Spring and the bottom of the first guide groove 11, set up and adjust pad 14 in addition.
Between turning cylinder 5 and slide shaft 22, be provided with porcelain bushing 23, be beneficial to the friction reducing between slide shaft and turning cylinder, improve the particularity of adjustable Centrifugal Releaser.
One end that turning cylinder 5 is positioned at column case shell outside is connected with scroll wheel 17 by the sleeve 16 in frame 15, and deep groove ball bearing 18 and spacer 19 are housed on sleeve 16.Turning cylinder 5 is bolted and is provided with cylindrical positioning pins 20 with the sidewall that adopts integral type to be connected with sidewall on column case shell.
Its roughly working process be:
Adjustable Centrifugal Releaser is contained on safety arrestment vehicle frame, and scroll wheel 17 contacts with motorcycle track, with the walking of locomotive, rotates.Scroll wheel passes to turning cylinder 5 by rotating speed, drive Centrifugal Releaser is rotated, the diameter of scroll wheel 17 and locomotive running speed all have impact to the rotational angular velocity of scroll wheel, two wiper blocks moving axis 5 place axis that rotate circle, the spring force interaction that the centnifugal force that wiper block produces and Compress Spring provide, when the rotating speed of scroll wheel 17 less, when centnifugal force is not enough to overcome spring pressure, the length of stretching out column case shell of slide shaft is less, can not trigger corresponding stop mechanism; After the rotating speed of scroll wheel 17 reaches certain value, centnifugal force is greater than spring pressure, because the first wiper block 7 links together with slide shaft 22, drives slide shaft to trigger corresponding stop mechanism, realizes emergency safety braking.When new product is tested or use, if speed limit is bigger than normal, do not meet designing requirement, can to the amount of compression of the first Compress Spring, the second Compress Spring, regulate respectively by the first setting nut and the second setting nut, realize the adjustable of Centrifugal Releaser, be beneficial to the sensitivity and the accuracy that improve Centrifugal Releaser.
Certainly; more than explanation is only preferred embodiment of the present utility model; the utility model is not limited to enumerate above-described embodiment; should be noted that; any those of ordinary skill in the art are under the instruction of this specification sheets; that makes is allly equal to alternative, obvious form of distortion, within all dropping on the essential scope of this specification sheets, ought to be subject to protection of the present utility model.
Claims (8)
1. an adjustable Centrifugal Releaser, comprise column case shell, turning cylinder, slide shaft, the first Compress Spring and the second Compress Spring, on one side diapire of column case shell, offer the first perforation, first bore a hole and to stretch into column case shell inner by this in one end of turning cylinder, at turning cylinder, stretch in the part of column case shell and offer the second perforation, this second perforation runs through described turning cylinder along the length direction perpendicular to turning cylinder, slide shaft is through this second perforation, on the sidewall of column case shell, offer the 3rd perforation and the 4th perforation passing for described slide shaft, two ends of slide shaft pass respectively the 3rd perforation and the 4th perforation, the first Compress Spring and the second Compress Spring are all nested with on slide shaft and lay respectively at a side of turning cylinder, it is characterized in that, described the first Compress Spring is provided with the first wiper block of extruding the first Compress Spring near one end of turning cylinder, the first wiper block is connected with slide shaft, in the 3rd perforation place, be provided with for regulating the first Compress Spring amount of compression, the first setting nut of inner hollow, slide shaft is through the first setting nut, the first Compress Spring is connected with this first setting nut near one end of the 3rd perforation, described the second Compress Spring is provided with the second wiper block of extruding the second Compress Spring near one end of turning cylinder, in the 4th perforation place, be provided with for regulating the second setting nut of the second amount of spring compression, inner hollow, slide shaft is through the second setting nut, and the second Compress Spring is connected with this second setting nut near one end of the 4th perforation.
2. a kind of adjustable Centrifugal Releaser according to claim 1, is characterized in that, the junction of described the first Compress Spring and the first setting nut is provided with the first compressing tablet, and the first compressing tablet is nested with on slide shaft; The junction of described the second Compress Spring and the second setting nut is provided with the second compressing tablet, and the second compressing tablet is nested with on slide shaft.
3. a kind of adjustable Centrifugal Releaser according to claim 1 and 2, is characterized in that, between the lateral wall of described the first setting nut and column case shell and between the lateral wall of the second setting nut and column case shell, all adopts and is threaded.
4. a kind of adjustable Centrifugal Releaser according to claim 1, it is characterized in that, described the first wiper block is nested with and is arranged on slide shaft, on the first wiper block, be provided with the first guide groove along slide shaft length direction, the first Compress Spring is positioned at the bottom of this first guide groove near one end of turning cylinder; Described the second sliding shoe is nested with and is arranged on slide shaft, is provided with the second guide groove along slide shaft length direction on the second sliding shoe, and the second Compress Spring is positioned at the bottom of this second guide groove near one end of turning cylinder.
5. a kind of adjustable Centrifugal Releaser according to claim 4, is characterized in that, between described the first Compress Spring and the bottom of the first guide groove, is provided with adjustment pad.
6. a kind of adjustable Centrifugal Releaser according to claim 1, is characterized in that, between described turning cylinder and slide shaft, is provided with porcelain bushing.
7. according to a kind of adjustable Centrifugal Releaser described in claim 1,2,4,5 or 6, it is characterized in that, one end that described turning cylinder is positioned at column case shell outside is connected with scroll wheel.
8. a kind of adjustable Centrifugal Releaser according to claim 3, is characterized in that, one end that described turning cylinder is positioned at column case shell outside is connected with scroll wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320647524.0U CN203496928U (en) | 2013-10-18 | 2013-10-18 | Adjustable centrifugal releaser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320647524.0U CN203496928U (en) | 2013-10-18 | 2013-10-18 | Adjustable centrifugal releaser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203496928U true CN203496928U (en) | 2014-03-26 |
Family
ID=50327927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320647524.0U Expired - Fee Related CN203496928U (en) | 2013-10-18 | 2013-10-18 | Adjustable centrifugal releaser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203496928U (en) |
-
2013
- 2013-10-18 CN CN201320647524.0U patent/CN203496928U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20141018 |
|
| EXPY | Termination of patent right or utility model |